ERIN HAMMER AGPCNP-C
NPI 1366983652
Nurse Practitioner - Primary Care in Pasadena, TX
About Erin Hammer Agpcnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERIN HAMMER AGPCNP-C (NPI 1366983652) is an individual primary care provider in Pasadena, Texas, licensed in Texas (AP133395) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS, is affiliated with Hca Houston Healthcare Southeast, and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Erin Hammer Agpcnp-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Erin Hammer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77089
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Aslam Loya MD PA
- 10 clinicians in this Medicare group
Baytown, TX 77521
- Reassigned Medicare billing, Texas enrollment
- 6 clinicians in this Medicare group
San Antonio, TX 78229
- Reassigned Medicare billing, Texas enrollment
- 681 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hca Houston Healthcare Southeast
Acute Care Hospitals · Pasadena, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77504 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PASADENA, TX 77504
PASADENA, TX 77504
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Erin Hammer's NPI number?
The NPI number for Erin Hammer is 1366983652. It was assigned to this individual provider in the NPPES registry on March 20, 2017.
Where is Erin Hammer located?
Erin Hammer practices at 4000 Spencer Hwy, Pasadena, TX 77504. The listed phone number is (832) 286-2818.
What is Erin Hammer's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.
Is Erin Hammer enrolled in Medicare?
Yes. Erin Hammer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Erin Hammer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erin Hammer reassigns Medicare benefits to 3 organizations: Aslam Loya, M.D. P.A (Houston, TX), Faiza Tahir MD PA (Baytown, TX) and Hospital Medicine Services Of Tx, PLLC (San Antonio, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Erin Hammer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Erin Hammer accept?
Health plans from Blue Cross and Blue Shield of Texas and UnitedHealthcare list Erin Hammer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Erin Hammer affiliated with any hospitals?
According to CMS data, Erin Hammer is affiliated with Hca Houston Healthcare Southeast.
When was this NPI record last updated?
The NPPES record for Erin Hammer was last updated on March 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Erin Hammer, AGPCNP-C · NPI 1366983652
Primary Care physician in Pasadena, Texas. Individual provider, active in the CMS NPPES registry since March 20, 2017.
## Identity
- **NPI:** 1366983652 (Entity type: Individual)
- **Enumerated:** March 20, 2017
- **Primary specialty:** Nurse Practitioner - Primary Care · taxonomy 363LP2300X
- **State license:** AP133395 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 4000 SPENCER HWY, Pasadena, TX 77504-1202
- **Phone:** (832) 286-2818
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Aslam Loya, M.D. P.A (NPI 1659580728, Houston, TX); Faiza Tahir MD PA (NPI 1023656865, Baytown, TX); Hospital Medicine Services Of Tx, PLLC (NPI 1881392363, San Antonio, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** March 17, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1366983652) · Data from the CMS NPPES public registry.